1 package org.apache.turbine.modules.layouts;
2
3 /* ====================================================================
4 * The Apache Software License, Version 1.1
5 *
6 * Copyright (c) 2001 The Apache Software Foundation. All rights
7 * reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * 3. The end-user documentation included with the redistribution,
22 * if any, must include the following acknowledgment:
23 * "This product includes software developed by the
24 * Apache Software Foundation (http://www.apache.org/)."
25 * Alternately, this acknowledgment may appear in the software itself,
26 * if and wherever such third-party acknowledgments normally appear.
27 *
28 * 4. The names "Apache" and "Apache Software Foundation" and
29 * "Apache Turbine" must not be used to endorse or promote products
30 * derived from this software without prior written permission. For
31 * written permission, please contact apache@apache.org.
32 *
33 * 5. Products derived from this software may not be called "Apache",
34 * "Apache Turbine", nor may "Apache" appear in their name, without
35 * prior written permission of the Apache Software Foundation.
36 *
37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48 * SUCH DAMAGE.
49 * ====================================================================
50 *
51 * This software consists of voluntary contributions made by many
52 * individuals on behalf of the Apache Software Foundation. For more
53 * information on the Apache Software Foundation, please see
54 * <http://www.apache.org/>.
55 */
56
57 // Turbine Classes
58 import org.apache.turbine.modules.Layout;
59 import org.apache.turbine.modules.NavigationLoader;
60 import org.apache.turbine.modules.ScreenLoader;
61 import org.apache.turbine.util.RunData;
62
63 // ECS Classes
64 import org.apache.ecs.ConcreteElement;
65 import org.apache.ecs.HtmlColor;
66 import org.apache.ecs.html.Font;
67 import org.apache.ecs.html.P;
68
69
70 /***
71 * This is an example Layout module that is executed by default.
72 *
73 * @author <a href="mailto:mbryson@mont.mindspring.com">Dave Bryson</a>
74 * @version $Id: DefaultLayout.java,v 1.1.1.1 2001/08/16 05:08:33 jvanzyl Exp $
75 * @deprecated The use of ECS for the view is deprecated. Use a templating solution.
76 */
77 public class DefaultLayout extends Layout
78 {
79 /***
80 * Build the layout.
81 *
82 * <p><em>NOTE: Unless otherwise specified, the page background
83 * defaults to 'white'</em></p>
84 *
85 * @param data Turbine information.
86 * @exception Exception, a generic exception.
87 */
88 public void doBuild( RunData data ) throws Exception
89 {
90 // Execute the Top Navigation portion for this Layout.
91 ConcreteElement topNav =
92 NavigationLoader.getInstance().eval(data, "DefaultTopNavigation");
93
94 if ( topNav != null)
95 {
96 data.getPage().getBody().addElement( topNav );
97 }
98
99 // If an Action has defined a message, attempt to display it
100 // here.
101 if ( data.getMessage() != null )
102 {
103 data.getPage().getBody().addElement(new P())
104 .addElement(new Font().setColor(HtmlColor.red)
105 .addElement(data.getMessageAsHTML()));
106 }
107
108 // Now execute the Screen portion of the page.
109 ConcreteElement screen = ScreenLoader.getInstance()
110 .eval(data, data.getScreen());
111
112 if (screen != null)
113 {
114 data.getPage().getBody().addElement( screen );
115 }
116
117 // The screen should have attempted to set a Title for itself,
118 // otherwise, a default title is set.
119 data.getPage().getTitle().addElement(data.getTitle());
120
121 // The screen should have attempted to set a Body bgcolor for
122 // itself, otherwise, a default body bgcolor is set.
123 data.getPage().getBody().setBgColor(HtmlColor.white);
124
125 // Execute the Bottom Navigation portion for this Layout.
126 ConcreteElement bottomNav =
127 NavigationLoader.getInstance().eval ( data, "DefaultBottomNavigation" );
128
129 if ( bottomNav != null)
130 {
131 data.getPage().getBody().addElement( bottomNav );
132 }
133 }
134 }
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